17. Nov IGC 2025 Gems in Hellenistic and Roman Jewellery of Northern Greece: An investigation from the Collections of the Archaeological Museum of Thessaloniki, Greece Maria Nikopoulou, Stefanos Karampelas, Evangelia Tsangaraki, Lambrini Papadopoulou, Christos Katsifas, Ioannis Nazlis, Vasilios Melfos and Nikolaos Kantiranis Download Pdf Gemmology
17. Nov IGC 2025 History of Garnet Mining and Cutting in the Austro-Hungarian Monarchy Bohemian garnets, i.e., chromium-bearing pyropes, are found in several jewellery pieces from the Mig Read More Laurent Cartier
17. Nov IGC 2025 Bertrandite in Emeralds Over the past few years we have been seeing more and more lower quality stones in the lab. The reaso Read More Laurent Cartier
17. Nov IGC 2025 Zoisite and its many color The mineral zoisite is a calcium alumosilicate belonging to the class of silicates, more exactly sor Read More Elodie